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Author |
Hernandez, J.; Hawkins, D.L. |
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Title |
Training failure among yearling horses |
Type |
Journal Article |
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Year |
2001 |
Publication  |
American Journal of Veterinary Research |
Abbreviated Journal |
Am J Vet Res |
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Volume |
62 |
Issue |
9 |
Pages |
1418-1422 |
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Keywords |
Animals; Female; Florida; Horses/*physiology; Lameness, Animal/*economics; Male; Physical Conditioning, Animal/adverse effects/economics; Respiratory Tract Diseases/economics/*veterinary; Statistics, Nonparametric |
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Abstract |
OBJECTIVE: To compare financial returns between pinhooked yearling horses (ie, bought and trained for approximately 5 months with the goal of selling the horse at “2-year-olds in training” sales) that had mild or severe training failure and horses that had planned versus nonplanned training failure. ANIMALS: 40 Thoroughbred pinhooked yearling horses. PROCEDURE: During the period from September 1998 through and April 1999, 20 horses had mild training failure (1 to 11 days lost), and 20 horses had severe training failure (13 to 108 days lost). Horses were assigned to these 2 groups on the basis of frequency distribution (median) of days lost during training. Horses were also categorized on the basis of type of training failure (planned vs nonplanned training failure). The outcome of primary interest was financial return. Median financial returns were compared among groups by use of the Mann-Whitney U test. RESULTS: Median financial returns for horses that had severe training failure ($1,000) were significantly different, compared with horses that had mild training failure ($24,000). Analysis of results also indicated that median returns were significantly different among horses that had planned training failure (-$2,000; eg, horses with radiographic abnormalities detected during routine prepurchase examinations that required surgical treatment, resulting in days lost during training), compared with horses that did not ($10,000). CONCLUSIONS AND CLINICAL RELEVANCE: Training failure has an economic impact on revenues in pinhooked yearling horses. Lameness, planned training failure, respiratory disease, and ringworm were common and important causes of training failure. |
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Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville 32610-0136, USA |
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0002-9645 |
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PMID:11560271 |
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Equine Behaviour @ team @ |
Serial |
4051 |
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Author |
Grafner, G.; Zimmermann, H.; Karge, E.; Munch, J.; Ribbeck, R.; Hiepe, T. |
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Title |
[Incidence and damages inflicted by simuliid flies in the GDR district of Schwerin] |
Type |
Journal Article |
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Year |
1976 |
Publication |
Angewandte Parasitologie |
Abbreviated Journal |
Angew Parasitol |
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Volume |
17 |
Issue |
1 |
Pages |
2-6 |
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Keywords |
Animals; Cattle; Cattle Diseases/*parasitology; Climate; *Diptera/growth & development; Ecology; Ectoparasitic Infestations/*veterinary; Germany, East; Horse Diseases/*parasitology; Horses; Swine; Swine Diseases/*parasitology |
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Systematic faunal studies in the district Schwerin showed at the present time there are 3 more or less damage-biotopes existing in the districts of Perleberg, Ludwigslust and Parchim; 5 river sources can be considered as potential sources, 5 are temporary and 2 are ephemeral whilst in 3 further areas environmental influences such as effluent impairs the flow of the river and the developmental stages of Simuliidae were not observed.--The following species were found: Boophthora erythrocephala, Wilhelmia salopiensis, Wilhelmia equina, Odagmia ornata, Eusimulium aureum and Eusimulium lundstroemi.--The damage statistics covering the period 1966--1971 showed in the district of Schwerin, due to Simuliid attacks, 38 cattle died, 170 were seriously ill; in 1967 5 horses were seriously ill; in 1971, 3 pigs died and 27 were seriously ill.--The symptoms were manifested by pathological petechiae, scabs and oedema, also by insufficiency of the heart and circulatory system, diminished performance and growth disturbance. In severe cases heart and circulation failure occurred, paresis, coma and death followed.--The real economic significance of the Simuliid attacks rest with its strong and prolonged distrubance in young animals, as well as in pronounced irreparable diminished performance in diseased dairy cattle. |
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German |
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Vorkommen und Schadwirkung von Kriebelmucken im DDR-Bezirk Schwerin |
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0003-3162 |
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PMID:1267220 |
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Equine Behaviour @ team @ |
Serial |
2699 |
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Author |
Baltic, M.; Jenni-Eiermann, S.; Arlettaz, R.; Palme, R. |
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Title |
A noninvasive technique to evaluate human-generated stress in the black grouse |
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Journal Article |
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Year |
2005 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
1046 |
Issue |
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Pages |
81-95 |
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Keywords |
Adrenocorticotropic Hormone/metabolism; Animals; Bird Diseases/*metabolism; Conservation of Natural Resources; Corticosterone/*metabolism; Ecosystem; Feces/*chemistry; Female; Galliformes/*metabolism; Immunoenzyme Techniques/methods/veterinary; Male; Reproducibility of Results; Stress/metabolism/*veterinary; Tritium/diagnostic use |
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The continuous development of tourism and related leisure activities is exerting an increasingly intense pressure on wildlife. In this study, a novel noninvasive method for measuring stress in the black grouse, an endangered, emblematic species of European ecosystems that is currently declining in several parts of its European range, is tested and physiologically validated. A radiometabolism study and an ACTH challenge test were performed on four captive black grouse (two of each sex) in order to get basic information about the metabolism and excretion of corticosterone and to find an appropriate enzyme-immunoassay (EIA) to measure its metabolites in the feces. Peak radioactivity in the droppings was detected within 1 to 2 hours. Injected (3)H-corticosterone was excreted as polar metabolites and by itself was almost absent. A cortisone-EIA was chosen from among seven tested EIAs for different groups of glucocorticoid metabolites, because it cross-reacted with some of the formed metabolites and best reflected the increase of excreted corticosterone metabolites, after the ACTH challenge test. Concentrations of the metabolites from fecal samples collected from snow burrows of free-ranging black grouse were within the same range as in captive birds. The noninvasive method described may be appropriate for evaluating the stress faced by free-living black grouse populations in the wild, particularly in mountain ecosystems where human disturbance, especially by winter sports, is of increasing conservation concern. |
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Zoological Institute, Division of Conservation Biology, Baltzerstrasse 6, CH-3012 Bern, Switzerland |
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0077-8923 |
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PMID:16055845 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4080 |
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Author |
Muscatello, G.; Anderson, G.A.; Gilkerson, J.R.; Browning, G.F. |
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Title |
Associations between the ecology of virulent Rhodococcus equi and the epidemiology of R. equi pneumonia on Australian thoroughbred farms |
Type |
Journal Article |
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Year |
2006 |
Publication |
Applied and Environmental Microbiology |
Abbreviated Journal |
Appl Environ Microbiol |
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Volume |
72 |
Issue |
9 |
Pages |
6152-6160 |
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Keywords |
Actinomycetales Infections/epidemiology/microbiology/*veterinary; Air Microbiology; Animal Husbandry; Animals; Animals, Newborn; Australia/epidemiology; Colony Count, Microbial; DNA, Bacterial/genetics; Ecosystem; Horse Diseases/epidemiology/*microbiology; Horses; Pneumonia, Bacterial/epidemiology/microbiology/*veterinary; Rhodococcus equi/genetics/isolation & purification/*pathogenicity; Soil Microbiology; Virulence |
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Abstract |
The ecology of virulent strains of Rhodococcus equi on horse farms is likely to influence the prevalence and severity of R. equi pneumonia in foals. This study examined the association between the ecology of virulent R. equi and the epidemiology of R. equi pneumonia by collecting air and soil samples over two breeding seasons (28 farm-year combinations) on Thoroughbred breeding farms with different reported prevalences of R. equi pneumonia. Colony blotting and DNA hybridization were used to detect and measure concentrations of virulent R. equi. The prevalence of R. equi pneumonia was associated with the airborne burden of virulent R. equi (both the concentration and the proportion of R. equi bacteria that were virulent) but was not associated with the burden of virulent R. equi in the soil. Univariable screening and multivariable model building were used to evaluate the effect of environmental and management factors on virulent R. equi burdens. Lower soil moisture concentrations and lower pasture heights were significantly associated with elevated airborne concentrations of virulent R. equi, as were the holding pens and lanes, which typically were sandy, dry, and devoid of pasture cover. Few variables appeared to influence concentrations of virulent R. equi in soil. Acidic soil conditions may have contributed to an elevated proportion of virulent strains within the R. equi population. Environmental management strategies that aim to reduce the level of exposure of susceptible foals to airborne virulent R. equi are most likely to reduce the impact of R. equi pneumonia on endemically affected farms. |
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School of Veterinary Science, The University of Melbourne, Parkville, Victoria 3010, Australia. mug@unimelb.edu.au |
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0099-2240 |
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Notes |
PMID:16957241 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2622 |
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Author |
Pell, S.M.; McGreevy, P.D. |
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Title |
Prevalence of stereotypic and other problem behaviours in thoroughbred horses |
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Journal Article |
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Year |
1999 |
Publication |
Australian Veterinary Journal |
Abbreviated Journal |
Aust Vet J |
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Volume |
77 |
Issue |
10 |
Pages |
678-679 |
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Keywords |
Animals; *Behavior, Animal; Breeding; Horse Diseases/*epidemiology; Horses/*psychology; New South Wales/epidemiology; Odds Ratio; Prevalence; *Stereotyped Behavior |
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Department of Animal Science, University of Sydney, New South Wales |
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0005-0423 |
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Notes |
PMID:10590799 |
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no |
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Call Number |
refbase @ user @ |
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1927 |
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Author |
[No authors listed] |
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Title |
African horse sickness--a serious disease |
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Year |
2006 |
Publication |
Australian Veterinary Journal |
Abbreviated Journal |
Aust Vet J |
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Volume |
84 |
Issue |
5 |
Pages |
N24-5 |
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Keywords |
*African Horse Sickness/epidemiology/pathology/prevention & control/transmission; African horse sickness virus/pathogenicity; Animals; Australia/epidemiology; Disease Outbreaks/prevention & control/veterinary; *Equidae; Horses; Vaccination/veterinary |
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0005-0423 |
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PMID:16739521 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2356 |
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Author |
Gibson, K.T.; Burbidge, H.M.; Anderson, B.H. |
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Title |
Tendonitis of the branches of insertion of the superficial digital flexor tendon in horses |
Type |
Journal Article |
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Year |
1997 |
Publication |
Australian Veterinary Journal |
Abbreviated Journal |
Aust Vet J |
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Volume |
75 |
Issue |
4 |
Pages |
253-256 |
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Keywords |
Animals; Carpus, Animal/pathology/physiopathology/ultrasonography; Horse Diseases/*diagnosis/pathology/ultrasonography; Horses; Prognosis; Retrospective Studies; Tendinopathy/diagnosis/pathology/*veterinary; Tendon Injuries/diagnosis/pathology/veterinary; Tendons/pathology/physiopathology/ultrasonography; Ultrasonography/methods/veterinary |
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OBJECTIVE: To describe clinical findings, ultrasonographic features and outcome of injury to the branches of insertion of the superficial digital flexor (SDF) tendon in horses. DESIGN: Retrospective study of 14 cases. PROCEDURE: Fourteen Thoroughbred horses with tendonitis affecting the branches of insertion of the SDF tendon were examined for lameness, location and amount of swelling, and the presence of other musculoskeletal abnormalities. The flexor tendons were assessed by ultrasonographic examination, and recommendations were made for management of the cases. Outcome was assessed by re-examination of some horses, direct communication with the owner or trainer, and examination of race records. RESULTS: The lateral SDF branch was affected in 10 horses; the medial branch in three, and both branches in one horse. Two horses had concurrent injuries to the SDF tendon in the metacarpal region of the contralateral limb. Ultrasonographic findings included swelling of the affected SDF branch, peritendinous fluid accumulation, disruption of normal fibre alignment on sagittal scan, and variable loss of echogenicity. As healing occurred, there was return of normal echogenicity, but normal fibre alignment did not return completely and apparent adhesions formed between the affected SDF branch and adjacent structures. Seven of 10 horses which returned to their previous use were able to compete without further tendon injury. Recurrence of injury occurred in one case, and another two horses developed tendonitis in the metacarpal region. One horse was retired from racing but was able to compete at dressage without recurrence of injury. Two horses were retired for breeding without returning to training, and one horse was sold and lost to follow up but did not race. CONCLUSION: The prognosis is fair for return to previous use following injury to the branches of insertion of the SDF tendon in athletic horses. |
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Department of Veterinary Clinical Sciences, Massey University, Palmerston North, New Zealand |
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0005-0423 |
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PMID:9140649 |
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no |
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Call Number |
Equine Behaviour @ team @ |
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3739 |
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Author |
Pearce, G.P.; May-Davis, S.; Greaves, D. |
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Title |
Femoral asymmetry in the Thoroughbred racehorse |
Type |
Journal Article |
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Year |
2005 |
Publication |
Australian Veterinary Journal |
Abbreviated Journal |
Aust Vet J |
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Volume |
83 |
Issue |
6 |
Pages |
367-370 |
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Keywords |
Animals; Cumulative Trauma Disorders/pathology/*veterinary; Femur/*pathology; Horse Diseases/*pathology/physiopathology; Horses; Locomotion; Physical Conditioning, Animal/*physiology |
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Abstract |
OBJECTIVE: To investigate the occurrence of geometrical asymmetries in the macro-architecture of left and right femurs from Thoroughbred racehorses previously used in competitive training and racing in New South Wales, Australia. METHODS: Detailed postmortem measurements were made of 37 characteristics of left and right femurs from eleven Thoroughbred racehorses euthanased for reasons unrelated to the study. Measurements focused on articulating surfaces and sites of attachment of muscles and ligaments known to be associated with hindlimb locomotion. RESULTS: Five measurements were significantly larger in left compared to right femurs (P < 0.05). The regions showing significant differences between left and right limbs were proximal cranial and overhead medio-lateral widths, greater trochanter depth, depth of the fovea in the femoral head and distal inter-epicondylar width. CONCLUSION: The left-right differences in femoral morphology were associated with sites of muscle and ligament attachment known to be involved with hindlimb function in negotiating turns. These differences may be the result of selection pressure for racing performance on curved race tracks and/or adaptations related to asymmetrical loading of the outside hindlimb associated with repeated negotiation of turns on such tracks. |
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Faculty of Rural Management, University of Sydney, Leeds Parade, Orange, New South Wales 2800. gpp28@cam.ac.uk |
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0005-0423 |
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PMID:15986917 |
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Equine Behaviour @ team @ |
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4036 |
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Author |
Scheibe, K.M.; Gromann, C. |
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Application testing of a new three-dimensional acceleration measuring system with wireless data transfer (WAS) for behavior analysis |
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Year |
2006 |
Publication |
Behavior research methods |
Abbreviated Journal |
Behav Res Methods |
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Volume |
38 |
Issue |
3 |
Pages |
427-433 |
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Keywords |
Acceleration; Animals; *Behavior, Animal; Cattle; Cattle Diseases/*diagnosis; Computer Communication Networks/*instrumentation; Forelimb/physiopathology; Fractals; Hindlimb/physiopathology; Horse Diseases/*diagnosis; Horses; Imaging, Three-Dimensional/instrumentation/methods/veterinary; Lameness, Animal/*diagnosis; Monitoring, Ambulatory/instrumentation/*methods; Motor Activity; Movement; Pattern Recognition, Automated/methods |
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A wireless acceleration measurement system was applied to free-moving cows and horses. Sensors were available as a collar and a flat box for measuring leg or trunk movements. Results were transmitted simultaneously by radio or stored in an 8-MB internal memory. As analytical procedures, frequency distributions with standard deviations, spectral analyses, and fractal analyses were applied. Bymeans of the collar sensor, basic behavior patterns (standing, grazing, walking, ruminating, drinking, and hay uptake) could be identified in cows. Lameness could be detected in cows and horses by means of the leg sensor. The portion of basic and harmonic spectral components was reduced; the fractal dimension was reduced. The system can be used for the detection and analysis of even small movements of free-moving humans or animals over several hours. It is convenient for the analysis of basic behaviors, emotional reactions, or events causing flight or fright or for comparing different housing elements, such as floors or fences. |
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Institute for Zoo and Wildlife Research, Berlin, Germany. kscheibe@izw-berlin.de |
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1554-351X |
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PMID:17186752 |
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no |
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Call Number |
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Serial |
1775 |
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Author |
Krause, J.; Croft, D.; James, R. |
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Title |
Social network theory in the behavioural sciences: potential applications |
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Journal Article |
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Year |
2007 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
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Volume |
62 |
Issue |
1 |
Pages |
15-27 |
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Keywords |
Social networks – Social organisation – Mate choice – Disease transmission – Information transfer – Cooperation |
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Abstract |
Abstract Social network theory has made major contributions to our understanding of human social organisation but has found relatively little application in the field of animal behaviour. In this review, we identify several broad research areas where the networks approach could greatly enhance our understanding of social patterns and processes in animals. The network theory provides a quantitative framework that can be used to characterise social structure both at the level of the individual and the population. These novel quantitative variables may provide a new tool in addressing key questions in behavioural ecology particularly in relation to the evolution of social organisation and the impact of social structure on evolutionary processes. For example, network measures could be used to compare social networks of different species or populations making full use of the comparative approach. However, the networks approach can in principle go beyond identifying structural patterns and also can help with the understanding of processes within animal populations such as disease transmission and information transfer. Finally, understanding the pattern of interactions in the network (i.e. who is connected to whom) can also shed some light on the evolution of behavioural strategies. |
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Equine Behaviour @ team @ |
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5171 |
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